msm: camera: cpas: Add support for custom QoS selection

Add cpas interface to allow clients or usecase to select
different QoS settings based on requirement. Selection
API must be called before camera hw powers up.

CRs-Fixed: 2687917
Change-Id: Ie524fcd6131d7c42288d0d734a7cdf6b9fcb92b7
Signed-off-by: Pavan Kumar Chilamkurthi <pchilamk@codeaurora.org>

drivers/cam_cust/cam_custom_hw_mgr/cam_custom_hw1/cam_custom_sub_mod_soc.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
  */
 
 #include <linux/slab.h>
@@ -55,10 +55,21 @@ int cam_custom_hw_sub_mod_init_soc_resources(struct cam_hw_soc_info *soc_info,
 	soc_private->cpas_handle =
 		cpas_register_param.client_handle;
 
+	rc = cam_cpas_select_qos_settings(CAM_CPAS_QOS_CUSTOM_SETTINGS_MASK);
+	if (rc) {
+		CAM_ERR(CAM_CPAS, "Custom QoS selection failed %d", rc);
+		goto unregister_cpas;
+	}
+
 	return rc;
 
+unregister_cpas:
+	if (cam_cpas_unregister_client(soc_private->cpas_handle))
+		CAM_ERR(CAM_CUSTOM, "CPAS0 unregistration failed");
 release_soc:
-	cam_soc_util_release_platform_resource(soc_info);
+	if (cam_soc_util_release_platform_resource(soc_info))
+		CAM_ERR(CAM_CUSTOM, "CPAS0 release resource failed");
+
 	return rc;
 }